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socketio

5 indexed repositories · View on GitHub

socket.io
Bidirectional and low-latency communication for every platform

TypeScript · 63202 stars
socket.io-website
Socket.IO website and blog

JavaScript · 342 stars
bun-engine
The Socket.IO low-level engine for Bun

TypeScript · 75 stars
socket.io-sticky
A simple and performant way to use Socket.IO within a cluster.

JavaScript · 45 stars
socket.io-aws-sqs-adapter
The Socket.IO adapter for AWS Simple Queue Service (SQS), allowing to broadcast events between several Socket.IO servers.

TypeScript · 5 stars

Beginner friendly Everything

Open All

A Uint8Array payload is sent as a text frame Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

socketio/bun-engine#11 · 1 comment · Opened Aug 31, 2026
Connection State Recovery fails if client reconnects before server emits any events ("Zero-Event" reconnect) Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 56/100

socketio/socket.io#5538 · 1 comment · Opened Aug 21, 2026
connectionId is scoped per-connection, not per-request — misroutes/drops later requests on a reused HTTP/1.1 keep-alive connection Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

socketio/socket.io-sticky#16 · 3 comments · Opened Jul 12, 2026
RFC: Standard Schema validation and type inference for Socket.IO Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

socketio/socket.io#5512 · 2 comments · 4 reactions · Opened Jun 11, 2026
Official documentation can't open Open

needs investigation

Difficulty 3/5 1-2 days Newbie friendliness 35/100

socketio/socket.io#5511 · 19 comments · Opened Jun 11, 2026
Official website failing to load properly (Docusaurus error) Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

socketio/socket.io-website#539 · 7 comments · Opened Jun 7, 2026
A client receiving an `Object` with more than 10 binary fields closes the connection Open

question

Difficulty 4/5 3-5 days Newbie friendliness 48/100

socketio/socket.io#5504 · 4 comments · Opened May 26, 2026
Can't set response headers in Server.handleUpgrade Open

question

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

socketio/socket.io#5497 · 2 comments · Opened May 11, 2026
WebTransport ignores query parameters in URL Open

question

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

socketio/socket.io#5496 · 2 comments · Opened May 10, 2026
Error in mTLS in node js using PKCS11 proxy and HSM Open

question

Difficulty 5/5 Over a week Newbie friendliness 30/100

socketio/socket.io#5480 · 2 comments · Opened Mar 27, 2026
Heartbeat timeout is no longer reset on packet Open

needs investigation

Difficulty 3/5 1-2 days Newbie friendliness 48/100

socketio/socket.io#5450 · 3 comments · Opened Jan 24, 2026
Incorrect acknowledgment callback signature when emitting before connection with ackTimeout option Open

question

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

socketio/socket.io#5446 · 3 comments · Opened Jan 18, 2026
Korean Docs Request Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 38/100

socketio/socket.io#5427 · 1 comment · 3 reactions · Opened Dec 16, 2025
Step #7 Server delivery has multiple issues Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

socketio/socket.io-website#512 · Opened Dec 3, 2025
shady links in sponsors section Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

socketio/socket.io-website#509 · 1 comment · Opened Nov 19, 2025
Send message to a Set<Room> Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

socketio/socket.io#5418 · Opened Nov 17, 2025
[Feature Request] Add dynamic cors Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

socketio/bun-engine#8 · 1 reaction · Opened Nov 17, 2025
TypeScript type breakage under pnpm / preserveSymlinks=true due to extending Emitter from another package Open

needs investigation

Difficulty 4/5 3-5 days Newbie friendliness 35/100

socketio/socket.io#5411 · 2 comments · Opened Nov 3, 2025
Version Selector Dropdown UX Improvement Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

socketio/socket.io-website#506 · 2 comments · Opened Oct 20, 2025
Leave multiple rooms at once Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

socketio/socket.io#5391 · 4 comments · Opened Sep 9, 2025
`socket.io-client` on the browser Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

socketio/socket.io#5383 · 1 comment · Opened Aug 28, 2025
Publish to JSR Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 25/100

socketio/socket.io#5381 · Opened Aug 25, 2025
Yürüme Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

socketio/socket.io-website#495 · Opened Aug 22, 2025
WebSocket is closed before the connection is established. Open

needs investigation

Difficulty 4/5 3-5 days Newbie friendliness 42/100

socketio/socket.io#5371 · 1 comment · Opened Jul 10, 2025
Issue: recv() failed (104: Connection reset by peer) while proxying/upgrading WebSocket in NGINX with Socket.IO Open

needs investigation

Difficulty 4/5 3-5 days Newbie friendliness 35/100

socketio/socket.io#5370 · 3 comments · Opened Jul 7, 2025
Connection State Recovery: Client->Server resync Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

socketio/socket.io#5363 · Opened Jun 23, 2025
Long-lived connections experience false disconnections due to timer reliability issues Open

to triage

Difficulty 5/5 Over a week Newbie friendliness 25/100

socketio/socket.io#5357 · 3 comments · Opened Jun 11, 2025
Pooled memory management currently impossible with socket.io interface Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 32/100

socketio/socket.io#5353 · 7 comments · Opened Jun 2, 2025
Enable logging in Angular Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

socketio/socket.io#5351 · 1 comment · Opened May 18, 2025
Socket.IO not connecting in Chrome browser (HTTPS, custom port 6530) Open

to triage

Difficulty 4/5 3-5 days Newbie friendliness 20/100

socketio/socket.io#5343 · Opened Apr 30, 2025
Issue with .to(room).emitWithAck() Open

question

Difficulty 4/5 3-5 days Newbie friendliness 45/100

socketio/socket.io#5333 · 3 comments · Opened Apr 22, 2025
Errors when using uWebsockets while clients are connected and server restarts Open

to triage

Difficulty 4/5 3-5 days Newbie friendliness 25/100

socketio/socket.io#5330 · 1 comment · Opened Apr 17, 2025
There is a bug in socket.io-client version 4.8.1. Open

needs investigation unable to reproduce

Difficulty 4/5 3-5 days Newbie friendliness 30/100

socketio/socket.io#5327 · 2 comments · Opened Apr 9, 2025
TRANSPORT_HANDSHAKE_ERROR Open

to triage

Difficulty 4/5 3-5 days Newbie friendliness 22/100

socketio/socket.io#5325 · Opened Apr 6, 2025
protocol(engine): Transport does not get updated when upgrade from WebSocket to WebTransport. Open

needs investigation

Difficulty 3/5 1-2 days Newbie friendliness 45/100

socketio/socket.io#5324 · 6 comments · 1 reaction · Opened Apr 3, 2025
Did not mention the path of the index.html to be created in the docs/v4 Open

Difficulty 1/5 Under an hour Newbie friendliness 48/100

socketio/socket.io-website#483 · 3 comments · Opened Mar 14, 2025
Uncaught TypeError: Illegal invocation Open

to triage

Difficulty 3/5 1-2 days Newbie friendliness 35/100

socketio/socket.io#5308 · 4 comments · 1 reaction · Opened Feb 27, 2025
TS: Exported variable X has or is using name Y from external module Z but cannot be named.ts(4023) Open

needs investigation

Difficulty 3/5 1-2 days Newbie friendliness 45/100

socketio/socket.io#5307 · 3 comments · Opened Feb 26, 2025
Socket.IO stops working randomly until page refresh Open

needs investigation

Difficulty 4/5 3-5 days Newbie friendliness 25/100

socketio/socket.io#5299 · 9 comments · Opened Feb 18, 2025
Video need Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

socketio/socket.io-website#478 · 1 comment · Opened Feb 9, 2025
Inconsistent behavior of close packet processing in websocket and polling transports Open

to triage

Difficulty 3/5 1-2 days Newbie friendliness 45/100

socketio/socket.io#5286 · Opened Jan 30, 2025
Connection State Recovery fails for long-lived connections Open

to triage

Difficulty 4/5 3-5 days Newbie friendliness 35/100

socketio/socket.io#5282 · 21 comments · Opened Jan 23, 2025
Valkey streams adapter Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

socketio/socket.io#5281 · 7 comments · 3 reactions · Opened Jan 23, 2025
Code logic bugs in engine.io-client Open

to triage

Difficulty 4/5 3-5 days Newbie friendliness 28/100

socketio/socket.io#5274 · Opened Jan 1, 2025
No mention of client.use middleware Open

Difficulty 2/5 1-3 hours Newbie friendliness 62/100

socketio/socket.io-website#475 · 1 comment · Opened Dec 30, 2024
Errors thrown by middlewares do not get captured or reported Open

to triage

Difficulty 4/5 3-5 days Newbie friendliness 35/100

socketio/socket.io#5263 · 1 comment · Opened Dec 17, 2024
Event triggered on Connection State Recovery Expiration Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

socketio/socket.io#5250 · 2 comments · Opened Dec 4, 2024
Socket disconnect event doesn't always fire Open

to triage

Difficulty 4/5 3-5 days Newbie friendliness 28/100

socketio/socket.io#5246 · Opened Nov 29, 2024
golang only supports the client version 1.4 Open

to triage

Difficulty 5/5 Over a week Newbie friendliness 15/100

socketio/socket.io#5240 · 4 comments · Opened Nov 27, 2024
Pass WebSocket closure code to Socket.IO Server on "transport close" reason Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

socketio/socket.io#5234 · Opened Nov 21, 2024

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